Check Valve, Secondary Inlet Back Catalog number: 11-1600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3321 Wash Seal Gasket, 6/pk Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request CTS-21262 Needle, Uncoated 20 Series Price on request